All contracts, agreements, obligations and undertakings of such housing
authorities heretofore entered into relating to financing or aiding in the
development, construction, maintenance or operation of any housing project or
projects or to obtaining aid therefor from the United States Housing Authority,
including (without limiting the generality of the foregoing) loan and annual
contributions contracts and leases with the United States Housing Authority, agreements
with municipalities or other public bodies (including those which are pledged
or authorized to be pledged for the protection of the holders of any notes or
bonds issued by such housing authorities or which are otherwise made a part of
the contract with such holders of notes or bonds) relating to cooperation and
contributions in aid of housing projects, payments (if any) in lieu of taxes,
furnishing of municipal services and facilities, and the elimination of unsafe
and insanitary dwellings, and contracts for the construction of housing
projects, together with all proceedings, acts and things heretofore
undertaken, performed or done with reference thereto, are hereby validated,
ratified, confirmed, approved and declared legal in all respects, notwithstanding
any want of statutory authority or any defect or irregularity therein. (1939, c. 118, s. 2; 1941, c. 62, s. 2.)